✨ 反向代理 gRPC 端口（支持 Cloudflare CDN）

cmd/dashboard/main.go

@@ -193,6 +193,7 @@ func main() {
 	go rpc.ServeRPC(dao.Conf.GRPCPort)
 	serviceSentinelDispatchBus := make(chan model.Monitor)
 	go rpc.DispatchTask(serviceSentinelDispatchBus)
+	go rpc.DispatchKeepalive()
 	go dao.AlertSentinelStart()
 	dao.NewServiceSentinel(serviceSentinelDispatchBus)
 	srv := controller.ServeWeb(dao.Conf.HTTPPort)

cmd/dashboard/rpc/rpc.go

@@ -57,3 +57,17 @@ func DispatchTask(serviceSentinelDispatchBus <-chan model.Monitor) {
 		dao.SortedServerLock.RUnlock()
 	}
 }
+
+func DispatchKeepalive() {
+	dao.Cron.AddFunc("@every 60s", func() {
+		dao.SortedServerLock.RLock()
+		defer dao.SortedServerLock.RUnlock()
+		for i := 0; i < len(dao.SortedServerList); i++ {
+			if dao.SortedServerList[i] == nil || dao.SortedServerList[i].TaskStream == nil || dao.SortedServerList[i].TaskStream.Context().Err() != nil {
+				continue
+			}
+
+			dao.SortedServerList[i].TaskStream.Send(&pb.Task{Type: model.TaskTypeKeepalive})
+		}
+	})
+}